update lints to 4.0.0.

analysis_options.yaml

@@ -24,11 +24,13 @@
 
 # https://pub.dev/packages/flutter_lints
 
-include: package:flutter_lints/flutter.yaml
+include: package:lints/recommended.yaml
 
 analyzer:
   errors:
     constant_identifier_names: ignore
+    no_wildcard_variable_uses: ignore
+    use_super_parameters: ignore
   #
   # Enforce stricter type-checking
   # https://dart.dev/guides/language/analysis-options#enabling-additional-type-checks

pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.1
+  lints: ^4.0.0
   mockito: ^5.3.2
   import_sorter: ^4.6.0
   yaml: ^3.1.2

test/core/room_e2e_test.dart

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 @Timeout(Duration(seconds: 5))
+library;
 
 import 'package:flutter_test/flutter_test.dart';
 

test/core/signal_client_test.dart

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 @Timeout(Duration(seconds: 5))
+library;
 
 import 'package:flutter_test/flutter_test.dart';
 import 'package:protobuf/protobuf.dart';

test/mock/e2e_container_test.dart

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 @Timeout(Duration(seconds: 5))
+library;
 
 import 'package:flutter_test/flutter_test.dart';